Q16 / 90 · JEE Main 2024 (09 Apr Shift 1) · Chemistry

Correct order of basic strength of Pyrrole Figure
, PyridineFigure
, and PiperidineFigure
is:

  • A
    Pyrrole \( > \) Piperidine \( > \) Pyridine
  • B
    Pyrrole \( > \) Pyridine \( > \) Piperidine
  • C
    Pyridine \( > \) Piperidine \( > \) Pyrrole
  • Correct answer
    D
    Piperidine \( > \) Pyridine \( > \) Pyrrole

Solution

Order of basic strength is $\mathrm{N}\left(\mathrm{sp}^3\right.$, localized lone pair $)>\mathrm{N}\left(\mathrm{sp}^2\right.$, localized lone pair $)>\mathrm{N}\left(\mathrm{sp}^2\right.$, delocalized lone pair, aromatic) $\therefore$ Piperidine $>$ Pyridine $>$ Pyrrole

Hence, the correct answer is option: 'D'.

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